Inventor · disambiguated record
Toshikazu Takehana
Also filed as: TAKEHANA TOSHIKAZU
7 granted patents·100 citations·filing 1997–2004
85Inventor score
Top patents by PatentIndex Score
7 records- 0189US6756715B2Spindle motorHITACHI POWDERED METALS·Filed 2003·Granted Jun 29, 2004·31 cites·11 claims
- 0286US6574186B2Assembly method of motor using magnetic lubrication fluidHITACHI LTD·Filed 2000·Granted Jun 3, 2003·24 cites·4 claims
- 0382US6851859B2Bearing unit, production method therefor and spindle motorHITACHI POWDERED METALS·Filed 2003·Granted Feb 8, 2005·18 cites·12 claims
- 0458US6822358B2Spindle motor and manufacture thereofHITACHI LTD·Filed 2002·Granted Nov 23, 2004·7 cites·16 claims
- 0555US7264871B2Health promoting applianceHITACHI POWDERED METALS·Filed 2004·Granted Sep 4, 2007·1 cites·6 claims
- 0654US6049983AMethod for producing a sintered porous bearing and the sintered porous bearingHITACHI POWDERED METAL CO LTD·Filed 1997·Granted Apr 18, 2000·14 cites·3 claims
- 0753US6361737B1Method for producing a sintered porous bearing and the sintered porous bearingHITACHI POWDERED METAL CO LTD·Filed 2000·Granted Mar 26, 2002·5 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →